Related:

• Ill-luck, you know, seldom comes alone. -- Miguel de Cervantes (1547-1616) -- Don Quixote, Part i, Book iii, Chap.
  vi...
• I know and I know you know I know.
• I think I strained a muscle I didn't know I had!
• Homer: This is my quest. I'm like that guy. That Spanish guy.
  You know, he fought the windmill... Marge: Don Quixote?...
• I know what 's what, and have always taken care of the main chance.
  -- Miguel de Cervantes (1547-1616) -- Don Quixote, Part i, Book iii, Chap. ix...
• I don't know, what do you think?
• I know, I know... I'm dreaming.
• I know so little, but I know it fluently...
• Every time I think I know where it's at, they move it.